Coupled Heat Transfer Analysis of Piston Crown, Piston Rings and Cylinder Liner

Ji Wu; Shu Lin Duan; Zhan Hua Wu; Li Dui Wei; Hui Xing

doi:10.4028/www.scientific.net/AMR.614-615.204

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 614-615Coupled Heat Transfer Analysis of Piston Crown,...

Coupled Heat Transfer Analysis of Piston Crown, Piston Rings and Cylinder Liner

Abstract:

MAN Diesel’s 6S50MC-C disel is a two-stroke marine diesel engine. As the boundary conditions of temperature field distribution, the mean temperature and mean heat transfer coefficient are calculated firstly. The coupled heat transfer of piston crown, piston rings and cylinder liner are analyzed. The steady temperature field and the transient heat transfer under starting condition of diesel engine are obtained in ANSYS. Maximum temperature is 413.55°C in the top surface edge of the piston crown. 59.5% of the total heat from high-temperature fuel gas heat is absorbed by the cooling oil. The temperature of piston crown is effectively reduced by shaker cooling. The load of diesel engine should be increased slowly to prevent stress concentration. To reduce the destructive effect, enhancing cooling and warming up the main engine are requested.

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Periodical:

Advanced Materials Research (Volumes 614-615)

Pages:

204-207

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.614-615.204

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Online since:

December 2012

Authors:

Ji Wu, Shu Lin Duan, Zhan Hua Wu, Li Dui Wei, Hui Xing

Keywords:

Coupled Heat Transfer, Cylinder Liner, Piston Crown, Piston Ring, Temperature Field

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